From 6af34f73133f3067c4b6400d50e060b1db1193e7 Mon Sep 17 00:00:00 2001
From: lijunlong <lijunlong@openresty.com>
Date: Sat, 21 May 2022 16:31:32 +0800
Subject: [PATCH] bugfix: tctx.pool is double freed.

---
 src/ngx_http_lua_timer.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/ngx_http_lua_timer.c b/src/ngx_http_lua_timer.c
index 795bd4f5f3..e75b4ad65d 100644
--- a/src/ngx_http_lua_timer.c
+++ b/src/ngx_http_lua_timer.c
@@ -565,6 +565,8 @@ ngx_http_lua_timer_handler(ngx_event_t *ev)
     c = ngx_http_lua_create_fake_connection(tctx.pool);
     if (c == NULL) {
         errmsg = "could not create fake connection";
+        /* tctx.pool is free in ngx_http_lua_create_fake_connection */
+        tctx.pool = NULL;
         goto failed;
     }